What is a branchial cleft cyst? Also, known as a cleft sinus, a branchial cleft cyst is a lump that develops in the neck or just below the collarbone. Branchial cleft cysts form during development of ...
A ranula is a cyst under the tongue. It happens when a saliva gland leaks saliva into the surrounding tissue, forming a cyst. A ranula can appear as a clear bump under the tongue or small bubble under ...